Returns an SVG string that represents the graph, via as_dot and graphviz.
See as_dot for a list of options. Must have GraphViz (dot) installed to run.
+=begin testing
+
+use File::Which;
+use Text::Tradition;
+use XML::LibXML;
+use XML::LibXML::XPathContext;
+
+
+SKIP: {
+ skip( 'Need Graphviz installed to test graphs', 16 )
+ unless File::Which::which( 'dot' );
+
+ my $datafile = 't/data/Collatex-16.xml';
+
+ my $tradition = Text::Tradition->new(
+ 'name' => 'inline',
+ 'input' => 'CollateX',
+ 'file' => $datafile,
+ );
+ my $collation = $tradition->collation;
+
+ # Test the svg creation
+ my $parser = XML::LibXML->new();
+ $parser->load_ext_dtd( 0 );
+ my $svg = $parser->parse_string( $collation->as_svg() );
+ is( $svg->documentElement->nodeName(), 'svg', 'Got an svg document' );
+
+ # Test for the correct number of nodes in the SVG
+ my $svg_xpc = XML::LibXML::XPathContext->new( $svg->documentElement() );
+ $svg_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ my @svg_nodes = $svg_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar @svg_nodes, 26, "Correct number of nodes in the graph" );
+
+ # Test for the correct number of edges
+ my @svg_edges = $svg_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar @svg_edges, 32, "Correct number of edges in the graph" );
+
+ # Test svg creation for a subgraph
+ my $part_svg = $parser->parse_string( $collation->as_svg( { from => 15 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph to end" );
+ my $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 9,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 10,
+ "Correct number of edges in the subgraph" );
+
+ $part_svg = $parser->parse_string( $collation->as_svg( { from => 10, to => 13 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph in the middle" );
+ $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 9,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 11,
+ "Correct number of edges in the subgraph" );
+
+
+ $part_svg = $parser->parse_string( $collation->as_svg( { to => 5 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
+ $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 7,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 7,
+ "Correct number of edges in the subgraph" );
+
+ # Test a right-to-left graph
+ my $arabic = Text::Tradition->new(
+ input => 'Tabular',
+ sep_char => ',',
+ name => 'arabic',
+ direction => 'RL',
+ file => 't/data/arabic_snippet.csv' );
+ my $rl_svg = $parser->parse_string( $arabic->collation->as_svg() );
+ is( $rl_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
+ my $rl_xpc = XML::LibXML::XPathContext->new( $rl_svg->documentElement() );
+ $rl_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ my %node_cx;
+ foreach my $node ( $rl_xpc->findnodes( '//svg:g[@class="node"]' ) ) {
+ my $nid = $node->getAttribute('id');
+ $node_cx{$nid} = $rl_xpc->findvalue( './svg:ellipse/@cx', $node );
+ }
+ my @sorted = sort { $node_cx{$a} <=> $node_cx{$b} } keys( %node_cx );
+ is( $sorted[0], '__END__', "End node is the leftmost" );
+ is( $sorted[$#sorted], '__START__', "Start node is the rightmost" );
+
+} #SKIP
+
+=end testing
+
=cut
sub as_svg {
+++ /dev/null
-#!/usr/bin/perl
-
-use strict; use warnings;
-use Test::More;
-use File::Which;
-use Text::Tradition;
-use XML::LibXML;
-use XML::LibXML::XPathContext;
-
-plan skip_all => 'Need Graphviz installed to test graphs'
- unless File::Which::which( 'dot' );
-
-my $datafile = 't/data/Collatex-16.xml';
-
-my $tradition = Text::Tradition->new(
- 'name' => 'inline',
- 'input' => 'CollateX',
- 'file' => $datafile,
- );
-my $collation = $tradition->collation;
-
-# Test the svg creation
-my $parser = XML::LibXML->new();
-$parser->load_ext_dtd( 0 );
-my $svg = $parser->parse_string( $collation->as_svg() );
-is( $svg->documentElement->nodeName(), 'svg', 'Got an svg document' );
-
-# Test for the correct number of nodes in the SVG
-my $svg_xpc = XML::LibXML::XPathContext->new( $svg->documentElement() );
-$svg_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
-my @svg_nodes = $svg_xpc->findnodes( '//svg:g[@class="node"]' );
-is( scalar @svg_nodes, 26, "Correct number of nodes in the graph" );
-
-# Test for the correct number of edges
-my @svg_edges = $svg_xpc->findnodes( '//svg:g[@class="edge"]' );
-is( scalar @svg_edges, 32, "Correct number of edges in the graph" );
-
-# Test svg creation for a subgraph
-my $part_svg = $parser->parse_string( $collation->as_svg( { from => 15 } ) ); # start, no end
-is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph to end" );
-my $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
-$part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
-@svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
-is( scalar( @svg_nodes ), 9,
- "Correct number of nodes in the subgraph" );
-@svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
-is( scalar( @svg_edges ), 10,
- "Correct number of edges in the subgraph" );
-
-$part_svg = $parser->parse_string( $collation->as_svg( { from => 10, to => 13 } ) ); # start, no end
-is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph in the middle" );
-$part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
-$part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
-@svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
-is( scalar( @svg_nodes ), 9,
- "Correct number of nodes in the subgraph" );
-@svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
-is( scalar( @svg_edges ), 11,
- "Correct number of edges in the subgraph" );
-
-
-$part_svg = $parser->parse_string( $collation->as_svg( { to => 5 } ) ); # start, no end
-is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
-$part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
-$part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
-@svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
-is( scalar( @svg_nodes ), 7,
- "Correct number of nodes in the subgraph" );
-@svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
-is( scalar( @svg_edges ), 7,
- "Correct number of edges in the subgraph" );
-
-# Test a right-to-left graph
-my $arabic = Text::Tradition->new(
- input => 'Tabular',
- sep_char => ',',
- name => 'arabic',
- direction => 'RL',
- file => 't/data/arabic_snippet.csv' );
-my $rl_svg = $parser->parse_string( $arabic->collation->as_svg() );
-is( $rl_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
-my $rl_xpc = XML::LibXML::XPathContext->new( $rl_svg->documentElement() );
-$rl_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
-my %node_cx;
-foreach my $node ( $rl_xpc->findnodes( '//svg:g[@class="node"]' ) ) {
- my $nid = $node->getAttribute('id');
- $node_cx{$nid} = $rl_xpc->findvalue( './svg:ellipse/@cx', $node );
-}
-my @sorted = sort { $node_cx{$a} <=> $node_cx{$b} } keys( %node_cx );
-is( $sorted[0], '__END__', "End node is the leftmost" );
-is( $sorted[$#sorted], '__START__', "Start node is the rightmost" );
-
-=note
-
-<g id="__END__" class="node"><title>__END__</title>
-<ellipse fill="white" stroke="black" cx="38.3466" cy="-47" rx="38.1938" ry="18"/>
-<text text-anchor="middle" x="38.3466" y="-43.3" font-family="Times,serif" font-size="14.00">#END#</text>
-</g>
-
-<g id="__START__" class="node"><title>__START__</title>
-<ellipse fill="white" stroke="black" cx="1366.52" cy="-47" rx="48.9926" ry="18"/
->
-<text text-anchor="middle" x="1366.52" y="-43.3" font-family="Times,serif" font-
-size="14.00">#START#</text>
-</g>
-
-=cut
-
-
-SKIP: {
- skip "lemmatization disabled for now", 1;
- # Test for the correct common nodes
- my @common_nodes = ( '#START#' );
- push( @common_nodes, qw/ n1 n5 n6 n7 n12 n16 n19 n20 n27 / );
- my @expected_nodes = map { [ $_, 1 ] } @common_nodes;
- foreach my $idx ( qw/2 3 4 8 10 11 13 16 17 18/ ) {
- splice( @expected_nodes, $idx, 0, [ "node_null", undef ] );
- }
- my @active_nodes = $collation->lemma_readings();
- subtest 'Initial common points' => \&compare_active;
- my $string = '# when ... ... ... showers sweet with ... fruit ... ... of ... has pierced ... ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right starting text" );
-
- sub compare_active {
- is( scalar( @active_nodes ), scalar ( @expected_nodes ),
- "Arrays are same length" );
-
- foreach ( 0 .. scalar(@active_nodes)-1 ) {
- is( $active_nodes[$_]->[1], $expected_nodes[$_]->[1],
- "Element has same toggle value" );
- if( defined $active_nodes[$_]->[1] ) {
- is( $active_nodes[$_]->[0], $expected_nodes[$_]->[0],
- "Active or toggled element has same node name "
- . $active_nodes[$_]->[0] );
- }
- }
- }
-
- sub make_text {
- my @words;
- foreach my $n ( @_ ) {
- if( $n->[1] ) {
- push( @words, $collation->reading( $n->[0] )->text );
- } elsif ( !defined $n->[1] ) {
- push( @words, '...' );
- }
- }
- return join( ' ', @words );
- }
-
- # Test that the common nodes are marked common
- foreach my $cn ( @common_nodes ) {
- ok( $collation->reading( $cn )->is_common, "Node $cn is marked common" );
- }
-
- # Test the manuscript paths
- my $wit_a = '# when april with his showers sweet with fruit the drought of march has pierced unto the root #';
- my $wit_b = '# when showers sweet with april fruit the march of drought has pierced to the root #';
- my $wit_c = '# when showers sweet with april fruit teh drought of march has pierced teh rood #';
- is( join( ' ', @{$tradition->witness( "A" )->text} ), $wit_a, "Correct path for witness A" );
- is( join( ' ', @{$tradition->witness( "B" )->text} ), $wit_b, "Correct path for witness B" );
- is( join( ' ', @{$tradition->witness( "C" )->text} ), $wit_c, "Correct path for witness C" );
-
- # Test the transposition identifiers
- my $transposition_pools = [ [ 'n2', 'n11' ], [ 'n14', 'n18' ],
- [ 'n17', 'n15' ] ];
- my $transposed_nodes = { 'n2' => $transposition_pools->[0],
- 'n11' => $transposition_pools->[0],
- 'n14' => $transposition_pools->[1],
- 'n15' => $transposition_pools->[2],
- 'n17' => $transposition_pools->[2],
- 'n18' => $transposition_pools->[1],
- };
-
- my $real_transposed_nodes = {};
- foreach my $r ( $collation->readings ) {
- my @same = map { $_->name } @{$r->same_as};
- $real_transposed_nodes->{ $r->name } = \@same if @same > 1;
- }
-
- is_deeply( $real_transposed_nodes, $transposed_nodes, "Found the right transpositions" );
-
- # Test turning on a node
- my @off = $collation->toggle_reading( 'n21' );
- $expected_nodes[ 16 ] = [ "n21", 1 ];
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on node for new location' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... ... of ... has pierced unto ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- # Test the toggling effects of same-column
- @off = $collation->toggle_reading( 'n22' );
- splice( @expected_nodes, 16, 1, ( [ "n21", 0 ], [ "n22", 1 ] ) );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on other node in that location' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... ... of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- # Test the toggling effects of transposition
- @off = $collation->toggle_reading( 'n14' );
- # Add the turned on node
- $expected_nodes[ 11 ] = [ "n14", 1 ];
- # Remove the 'off' for the previous node
- splice( @expected_nodes, 16, 1 );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on transposition node' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... drought of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n18' );
- # Toggle on the new node
- $expected_nodes[ 13 ] = [ "n18", 1 ];
- # Toggle off the transposed node
- $expected_nodes[ 11 ] = [ "n14", undef ];
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on that node\'s partner' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... ... of drought has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n14' );
- # Toggle on the new node
- $expected_nodes[ 11 ] = [ "n14", 1 ];
- # Toggle off the transposed node
- $expected_nodes[ 13 ] = [ "n18", undef ];
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on the original node' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... drought of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n15' );
- # Toggle on the new node, and off with the old
- splice( @expected_nodes, 11, 1, [ "n14", 0 ], [ "n15", 1 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on the colocated node' => \&compare_active;
- $string = '# when ... ... ... showers sweet with ... fruit ... march of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n3' );
- # Toggle on the new node
- splice( @expected_nodes, 3, 1, [ "n3", 1 ] );
- # Remove the old toggle-off
- splice( @expected_nodes, 11, 1 );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on a singleton node' => \&compare_active;
- $string = '# when ... with ... showers sweet with ... fruit ... march of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n3' );
- # Toggle off this node
- splice( @expected_nodes, 3, 1, [ "n3", 0 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned off a singleton node' => \&compare_active;
- $string = '# when ... ... showers sweet with ... fruit ... march of ... has pierced to ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n21' );
- splice( @expected_nodes, 16, 1, ["n22", 0 ], [ "n21", 1 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on another node after singleton switchoff' => \&compare_active;
- $string = '# when ... ... showers sweet with ... fruit ... march of ... has pierced unto ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- # Now start testing some position identifiers
- # 2. 'april with his' have no colocated
- # 3. 'april' 2 has no colocated
- # 4. 'teh' and 'the'
- # 5. 'drought' & 'march'
- # 6. 'march' & 'drought'
- # 7. 'unto' 'the' 'root'...
- # 'unto can match 'to' or 'teh'
- # 'the' can match 'teh' or 'rood'
- # 'root' can mach 'rood'
-
- foreach my $cn ( @common_nodes ) {
- my $cnr = $collation->reading( $cn );
- is( scalar( $collation->same_position_as( $cnr ) ), 0, "Node $cn has no colocations" );
- }
-
- my %expected_colocations = (
- 'n2' => [], # april
- 'n3' => [], # with
- 'n4' => [], # his
- 'n11' => [], # april
- 'n8' => [ 'n13' ], # teh -> the
- 'n13' => [ 'n8' ], # the -> teh
- 'n14' => [ 'n15' ], # drought -> march
- 'n18' => [ 'n17' ], # drought -> march
- 'n17' => [ 'n18' ], # march -> drought
- 'n15' => [ 'n14' ], # march -> drought
- 'n21' => [ 'n22', 'n9' ], # unto -> to, teh
- 'n22' => [ 'n21', 'n9' ], # to -> unto, teh
- 'n9' => [ 'n21', 'n22', 'n23' ], # teh -> unto, to, the
- 'n23' => [ 'n25', 'n9' ], # the -> teh, rood
- 'n25' => [ 'n23', 'n26' ], # rood -> the, root
- 'n26' => [ 'n25' ], # root -> rood
- );
-
- foreach my $n ( keys %expected_colocations ) {
- my $nr = $collation->reading( $n );
- my @colocated = sort( map { $_->name } $collation->same_position_as( $nr ) );
- is_deeply( \@colocated, $expected_colocations{$n}, "Colocated nodes for $n correct" );
- }
-
- # Test strict colocations
- $expected_colocations{'n9'} = [];
- $expected_colocations{'n21'} = ['n22'];
- $expected_colocations{'n22'} = ['n21'];
- $expected_colocations{'n23'} = [];
- $expected_colocations{'n25'} = [];
- $expected_colocations{'n26'} = [];
-
- foreach my $n ( keys %expected_colocations ) {
- my $nr = $collation->reading( $n );
- my @colocated = sort( map { $_->name } $collation->same_position_as( $nr, 1 ) );
- is_deeply( \@colocated, $expected_colocations{$n}, "Strictly colocated nodes for $n correct" );
- }
-
- # Test turning on, then off, an annoyingly overlapping node
-
- @off = $collation->toggle_reading( 'n9' );
- # Remove the old toggle-off
- splice( @expected_nodes, 16, 1 );
- splice( @expected_nodes, 17, 0, [ "n9", 1 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on a node without fixed position' => \&compare_active;
- $string = '# when ... ... showers sweet with ... fruit ... march of ... has pierced unto teh ... ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n23' );
- splice( @expected_nodes, 18, 1, [ "n23", 1 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on a node colocated to one without fixed position' => \&compare_active;
- $string = '# when ... ... showers sweet with ... fruit ... march of ... has pierced unto teh the ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- @off = $collation->toggle_reading( 'n9' );
- splice( @expected_nodes, 17, 1, [ "n9", 0 ] );
- @active_nodes = $collation->lemma_readings( @off );
- subtest 'Turned on a node colocated to one without fixed position' => \&compare_active;
- $string = '# when ... ... showers sweet with ... fruit ... march of ... has pierced unto the ... #';
- is( make_text( @active_nodes ), $string, "Got the right text" );
-
- ### Now test relationship madness.
-
- my( $result, @relations ) = $collation->add_relationship( 'n25', 'n23', {'type' => 'lexical'} ); # rood -> the
- ok( $result, "Added relationship between nodes" );
- is( scalar @relations, 1, "Returned only the one collapse" );
- is_deeply( $relations[0], [ 'n25', 'n23' ], "Returned the correct collapse" );
- is( $collation->reading( 'n25' )->position->reference, '9,3', "Harmonized position for n25 correct" );
- is( $collation->reading( 'n23' )->position->reference, '9,3', "Harmonized position for n23 correct" );
- is( $collation->reading( 'n9' )->position->reference, '9,2', "Adjusted position for n9 correct" );
-
- # Do some yucky hardcoded cleanup to undo this relationship.
- $collation->reading('n25')->position->max( 4 );
- $collation->reading('n9')->position->max( 3 );
- $collation->graph->del_edge( $collation->reading('n25')->edges_to( $collation->reading('n23')) );
-
- ( $result, @relations ) = $collation->add_relationship( 'n26', 'n25', {'type' => 'spelling'} ); # root -> rood
- ok( $result, "Added relationship between nodes" );
- is( scalar @relations, 1, "Returned only the one collapse" );
- is_deeply( $relations[0], [ 'n26', 'n25' ], "Returned the correct collapse" );
- is( $collation->reading( 'n26' )->position->reference, '9,4', "Harmonized position for n26 correct" );
- is( $collation->reading( 'n25' )->position->reference, '9,4', "Harmonized position for n25 correct" );
- is( $collation->reading( 'n9' )->position->reference, '9,2-3', "Adjusted position for n9 correct" );
-
- ( $result, @relations ) = $collation->add_relationship( 'n15', 'n9', {'type' => 'lexical'} ); # bogus march -> teh
- ok( !$result, "Refused to add skewed relationship: " . $relations[0] );
-
- ( $result, @relations ) = $collation->add_relationship( 'n25', 'n26', {'type' => 'spelling'} ); # root -> rood
- ok( !$result, "Refused to add dupe relationship: " . $relations[0] );
-
- ( $result, @relations ) = $collation->add_relationship( 'n8', 'n13', {'type' => 'spelling', 'global' => 1 } ); # teh -> the
- ok( $result, "Added global relationship between nodes" );
- is( scalar @relations, 2, "Returned two relationship creations" );
- is_deeply( $relations[0], [ 'n8', 'n13' ], "Returned the original collapse" );
- is_deeply( $relations[1], [ 'n9', 'n23' ], "Returned the other collapse" );
- is( $collation->reading( 'n8' )->position->reference, '6,2', "Harmonized position for n8 correct" );
- is( $collation->reading( 'n9' )->position->reference, '9,3', "Harmonized position for n9 correct" );
-}
-
-done_testing();
# =begin testing
{
+use File::Which;
+use Text::Tradition;
+use XML::LibXML;
+use XML::LibXML::XPathContext;
+
+
+SKIP: {
+ skip( 'Need Graphviz installed to test graphs', 16 )
+ unless File::Which::which( 'dot' );
+
+ my $datafile = 't/data/Collatex-16.xml';
+
+ my $tradition = Text::Tradition->new(
+ 'name' => 'inline',
+ 'input' => 'CollateX',
+ 'file' => $datafile,
+ );
+ my $collation = $tradition->collation;
+
+ # Test the svg creation
+ my $parser = XML::LibXML->new();
+ $parser->load_ext_dtd( 0 );
+ my $svg = $parser->parse_string( $collation->as_svg() );
+ is( $svg->documentElement->nodeName(), 'svg', 'Got an svg document' );
+
+ # Test for the correct number of nodes in the SVG
+ my $svg_xpc = XML::LibXML::XPathContext->new( $svg->documentElement() );
+ $svg_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ my @svg_nodes = $svg_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar @svg_nodes, 26, "Correct number of nodes in the graph" );
+
+ # Test for the correct number of edges
+ my @svg_edges = $svg_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar @svg_edges, 32, "Correct number of edges in the graph" );
+
+ # Test svg creation for a subgraph
+ my $part_svg = $parser->parse_string( $collation->as_svg( { from => 15 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph to end" );
+ my $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 9,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 10,
+ "Correct number of edges in the subgraph" );
+
+ $part_svg = $parser->parse_string( $collation->as_svg( { from => 10, to => 13 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph in the middle" );
+ $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 9,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 11,
+ "Correct number of edges in the subgraph" );
+
+
+ $part_svg = $parser->parse_string( $collation->as_svg( { to => 5 } ) ); # start, no end
+ is( $part_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
+ $part_xpc = XML::LibXML::XPathContext->new( $part_svg->documentElement() );
+ $part_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ @svg_nodes = $part_xpc->findnodes( '//svg:g[@class="node"]' );
+ is( scalar( @svg_nodes ), 7,
+ "Correct number of nodes in the subgraph" );
+ @svg_edges = $part_xpc->findnodes( '//svg:g[@class="edge"]' );
+ is( scalar( @svg_edges ), 7,
+ "Correct number of edges in the subgraph" );
+
+ # Test a right-to-left graph
+ my $arabic = Text::Tradition->new(
+ input => 'Tabular',
+ sep_char => ',',
+ name => 'arabic',
+ direction => 'RL',
+ file => 't/data/arabic_snippet.csv' );
+ my $rl_svg = $parser->parse_string( $arabic->collation->as_svg() );
+ is( $rl_svg->documentElement->nodeName(), 'svg', "Got an svg subgraph from start" );
+ my $rl_xpc = XML::LibXML::XPathContext->new( $rl_svg->documentElement() );
+ $rl_xpc->registerNs( 'svg', 'http://www.w3.org/2000/svg' );
+ my %node_cx;
+ foreach my $node ( $rl_xpc->findnodes( '//svg:g[@class="node"]' ) ) {
+ my $nid = $node->getAttribute('id');
+ $node_cx{$nid} = $rl_xpc->findvalue( './svg:ellipse/@cx', $node );
+ }
+ my @sorted = sort { $node_cx{$a} <=> $node_cx{$b} } keys( %node_cx );
+ is( $sorted[0], '__END__', "End node is the leftmost" );
+ is( $sorted[$#sorted], '__START__', "Start node is the rightmost" );
+
+} #SKIP
+}
+
+
+
+# =begin testing
+{
use JSON qw/ from_json /;
use Text::Tradition;